From cbb971f791ed05dd103f1e142ad8886a6d33cb5e Mon Sep 17 00:00:00 2001
From: planetmaker <planetmaker@openttd.org>
Date: Sun, 23 Mar 2014 14:55:32 +0000
Subject: [PATCH] (svn r26423) -Fix: Don't crash when supplying an invalid
 filename without extension to cmd parameter -q

---
 src/fios.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/fios.cpp b/src/fios.cpp
index b2ed1ec50e..ff7153af3f 100644
--- a/src/fios.cpp
+++ b/src/fios.cpp
@@ -400,6 +400,10 @@ FiosType FiosGetSavegameListCallback(SaveLoadDialogMode mode, const char *file,
 	 * .SS1 Transport Tycoon Deluxe preset game
 	 * .SV1 Transport Tycoon Deluxe (Patch) saved game
 	 * .SV2 Transport Tycoon Deluxe (Patch) saved 2-player game */
+
+	/* Don't crash if we supply no extension */
+	if (ext == NULL) return FIOS_TYPE_INVALID;
+
 	if (strcasecmp(ext, ".sav") == 0) {
 		GetFileTitle(file, title, last, SAVE_DIR);
 		return FIOS_TYPE_FILE;